| 摘要 |
A system for detecting proper usage of a seatbelt in a vehicle by an operator of the vehicle is provided. The seatbelt usage detection system includes a first communication device arranged on the seatbelt and a second communication device. One of the first and second communication devices is a transmitter and the other of the first and second communication devices is a receiver. The receiver and transmitter are capable of establishing a communication link with each other. The second communication device is arranged in the vehicle so as to be able to establish a communication link with the first communication device of a predetermined signal strength upon proper fastening of the seatbelt around the body of an operator. The system also includes a processing unit for monitoring the signal strength of the communication link between the first and second communication devices and for providing a signal that the seatbelt is unfastened when the signal strength is less than the predetermined signal strength.
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